static
void
main(String[]
args){
double[]
array=new
double[10]
double
ave=0
double
sum=0
Scanner
input=new
Scanner(System.in)
for(int
i=0i<array.lengthi++){
array[i]=input.nextDouble()
sum+=array[i]
}
ave=sum/array.length
System.out.println("平均数为:"+ave)
}
public class aveage {public static void main(String[] args) {
int[] arrary1 = { 12,4,54,6,78,98,48,787,456 }
double x = ave(arrary1)
System.out.println("平均数为" + x)
}
static double ave(int[] a) {
int sum = 0
for (int i = 0 i < a.length i++) {
sum += a[i]//累加求和
}
return sum*1.0/a.length//求平均数
// *1.0的左右,就是把结果类型变成double类型
}
}